Modulation of Type 1 Diabetes Susceptibility by Tumor Necrosis Factor Alpha −308 G/A and Lymphotoxin Alpha +249 A/G Haplotypes and Lack of Linkage Disequilibrium with Predisposing DQB1-DRB1 Haplotypes in Bahraini Patients
Author(s) -
Mouna Stayoussef,
Fayza A. Al-Jenaidi,
Abduljabbar Al-Abbasi,
Khadija AlOla,
Haya Khayyat,
Touhami Mahjoub,
Wassim Y. Almawi
Publication year - 2007
Publication title -
clinical and vaccine immunology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.649
H-Index - 77
eISSN - 1556-6811
pISSN - 1556-679X
DOI - 10.1128/cvi.00410-07
Subject(s) - lymphotoxin alpha , haplotype , linkage disequilibrium , lymphotoxin , alpha (finance) , tumor necrosis factor alpha , linkage (software) , genetics , biology , beta (programming language) , type 2 diabetes , immunology , allele , endocrinology , diabetes mellitus , medicine , gene , computer science , patient satisfaction , programming language , construct validity , nursing
Tumor necrosis factor alpha (TNF-α) −308 G/A and lymphotoxin alpha (LTα) +249 A/G single-nucleotide polymorphisms were investigated in 228 type 1 diabetes mellitus (T1DM) patients and 240 controls. Only LTα +249G allele and +249G/+249G genotype frequencies were higher among patients, and no linkage disequilibrium was found between TNF-α/LTα alleles and susceptible/protectiveDRB1-DQB1 haplotypes. TNF-α/LTα T1DM-susceptible (−308G/+249G) and protective (−308G/+249A) haplotypes were identified.
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